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Methods and systems that selectively permit changes to a cryptographic hardware unit's state

  • US 7,711,953 B2
  • Filed: 08/10/2005
  • Issued: 05/04/2010
  • Est. Priority Date: 08/10/2005
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a hardware unit;

    at least one computer coupled to the hardware unit, the at least one computer having software agents that utilize a function provided by the hardware unit; and

    a consensus module coupled to the hardware unit and the at least one computer, the consensus module is configured to detect an event that changes a state of the hardware unit, notify the software agents of the event before the state changes, and selectively permit the state to change based on responses from the software agents.

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